Ask Question
16 November, 01:25

What is the sum of the arithmetic sequence 3,9,15, if there are 36 terms ... ?

+5
Answers (1)
  1. 16 November, 04:02
    0
    n = 36

    a = 3

    d = 3

    (n/2) (2a + (n - 1) d)

    (36/2) (2 (3) + (36 - 1) 3)

    18 (6+35 (3))

    18 x 111 = 1998

    The sum is 1998
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is the sum of the arithmetic sequence 3,9,15, if there are 36 terms ... ? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers